Jeffrey has a dog that weighs 3 times as much as Sarah's dog. The total weight of both dogs is 64 lb. How much does Jeffrey's Do
1 answer:
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The correct answer is: [B]: " 
" .
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Consider choice [A]:
;
=
;
= 2 ; "2 ≠ -2" ; so we can rule out: "Choice [A]" .
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Consider choice [B]: ;
=
;
= "-2" ; Yes!
→ Let us proceed with the final answer choice ;
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Consider choice [C]:
;
= ;
= 2 ; "2 ≠ -2" ; so we can rule out: "Choice [C]" .
__________________________________________________________
The correct answer is: [B]: " " .
__________________________________________________________
__________________________________________________________
Consider choice [A]:
=
= 2 ; "2 ≠ -2" ; so we can rule out: "Choice [A]" .
__________________________________________________________
Consider choice [B]:
=
= "-2" ; Yes!
→ Let us proceed with the final answer choice ;
__________________________________________________________
Consider choice [C]:
=
= 2 ; "2 ≠ -2" ; so we can rule out: "Choice [C]" .
__________________________________________________________
The correct answer is: [B]: "
__________________________________________________________